The Proviz REFLECT360 rucksack cover is dual-layered to give you unparalleled water-resistance and the reflective detail helps you to be more easily identified whilst on the road. The rucksack cover is attached securely using elasticated cords and press stud fasteners. With elasticated edges to provide a secure fit around your rucksack of all sizes up to 35 litres. The rucksack also has a light loop if you wish to attach an extra light.